<em>Shema is being illustrated. </em>
True, abstinence is the practice of giving up something, it necessarily doesn't have to be all about sex, which is many average thinkers are taught in schools. It can be alcohol or even toys and games!
The best answer would be C. Maintain caloric intake and reduce sugar. Dieting will do no good when injured, but remaining at maintenance calories and eating clean will help recovery speed up a little. Sugar is less critical to other nutrients for fast recovery.